Home / 14,969.61-22,439.43-12,345.21

Finding the Fourth Proportional to 14,969.61, 22,439.43 and 12,345.21

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Solution

The fourth proportional to 14,969.61, 22,439.43 and 12,345.21 is: 18,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969.61 : 22,439.43 = 12,345.21 : x
  2. Step 2: Convert to fraction form
    14,969.61/22,439.43 = 12,345.21/x
  3. Step 3: Cross multiply
    14,969.61x = 22,439.43 × 12,345.21
  4. Step 4: Simplify right side
    14,969.61x = 277,019,475.63
  5. Step 5: Solve for x
    x = 277,019,475.63/14,969.61
  6. Step 6: Final answer
    x = 18,505.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.